Christie Clinic - Medicine for Your Life

Our website is currently having technical difficulties. To view the site, please click here

Health Encyclopedia

Health Encyclopedia

An invaluable resource of health information.

Carotid duplex

Carotid duplex is a procedure that uses ultrasound to look for blood clots, plaque buildup, and other blood flow problems in the carotid arteries. The carotid arteries are located in the neck. They supply blood to the brain.

  • Alternative Names

    Scan - carotid duplex; Carotid ultrasound

  • How the test is performed

    The test is done in a vascular lab or radiology department of a hospital. You will be asked to lay on your back. Your head will be supported to prevent it from moving.

    The health care provider applies a water-soluble gel on your skin and gently runs a handheld device called a transducer over the area of the carotid arteries in your neck. The devices sends high-frequency sound waves to the arteries in your neck. The gel helps transmit the sound waves. The sound waves bounce off the blood vessels and form images of their structure.

  • How to prepare for the test

    No preparation is necessary.

  • How the test will feel

    The test is noninvasive and painless.

  • Why the test is performed

    The test checks blood flow in the carotid arteries. It can detect:

    • Blood clotting (thrombosis)
    • Narrowing in the arteries (stenosis)
    • Other causes of blockage in the carotid arteries

    Your doctor may order this test if you have had a:

    • Stroke
    • Transient ischemic attack (TIA)

    You may also have this test:

    • If your doctor hears an abnormal sound called a bruit over the carotid neck arteries
    • As a follow-up test after a previous carotid duplex test
  • Normal Values

    A normal result means there is no problem with the blood flow in the carotid arteries. The artery is free of any blockage, narrowing, or other problem.

    Note: Talk to your doctor about the meaning of your specific test results.

  • What abnormal results mean

    An abnormal result means there are disturbances in the blood flow in the carotid arteries. This is a sign of atherosclerosis or blood vessel conditions.

    Depending on the exact results, your doctor may want you to:

    • Follow a healthy diet and lifestyle to prevent atherosclerosis
    • Repeat the test again in the future
    • Have additional tests (such as cerebral angiography, CT angiography, and MR angiography)
    • Consider surgery

    See the article on atherosclerosis for further treatment information.

  • What the risks are

    There are no specific risks related to having this procedure.

  • References

    U.S. Preventive Services Task Force. Screening for carotid artery stenosis: U.S. Preventive Services Task Force recommendation statement. Ann Intern Med. 2007;147(12):854-859.

    Meschia JF, Brott TG, Hobson RW 2nd. Diagnosis and invasive management of carotid atherosclerotic stenosis. Mayo Clin Proc. 2007;82(7):851-858.

Review Date: 5/12/2009

Reviewed By: Benjamin Taragin M.D., Department of Radiology, Montefiore Medical Center Bronx, N.Y. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- 2014 A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
adam.com
Christie Clinic at the Family Medical Center in Paris
727 East Court Street Paris, IL 61944 Dermatology: 366-1248; Vein and Vascular: 366-2670
Christie Clinic Christie Clinic on University Photo Christie Clinic on University
101 West University Avenue Champaign, IL 61820 Main Phone: (217) 366-1200
Billing Services: (217) 366-1382
Toll Free: (888) 391-0412
Christie Clinic Christie Clinic on Windsor/Convenient Care Photo Christie Clinic on Windsor/Convenient Care
1801 West Windsor Road Champaign, IL 61822 (217) 366-8000
Christie Clinic Christie Clinic at Presence Covenant Photo Christie Clinic at Presence Covenant
1400 West Park Street Urbana, IL 61801 (217) 366-1200
Christie Clinic Christie Clinic in Rantoul Photo Christie Clinic in Rantoul
209 West Borman Drive Rantoul, IL 61866 (217) 892-9671
Christie Clinic Christie Clinic in Mahomet/Convenient Care Photo Christie Clinic in Mahomet/Convenient Care
1001 Commercial Drive Mahomet, IL 61853 Main Number: (217) 586-6600 Convenient Care: (217)366-8130
Christie Clinic Christie Clinic in Danville on Vermilion/Convenient Care Photo Christie Clinic in Danville on Vermilion/Convenient Care
3545 North Vermilion Street Danville, IL 61832 (217) 442-8611
Christie Clinic Christie Clinic in Tuscola Photo Christie Clinic in Tuscola
300 North Main Street Tuscola, IL 61953 (217) 253-9258
Christie Clinic CU Sleep Photo CU Sleep
1207 South Mattis Avenue Champaign, IL 61821 (217) 355-1684
Christie Clinic Christie Clinic Cancer Center Photo Christie Clinic Cancer Center
109 West University Avenue Champaign, IL 61820 (217) 366-5180
Christie Clinic Convenient Care in County Market (Kirby & Duncan) Photo Convenient Care in County Market (Kirby & Duncan)
2901 West Kirby Avenue Champaign, IL 61821 (217) 366-8130
Christie Clinic Christie Clinic in Urbana/Convenient Care Photo Christie Clinic in Urbana/Convenient Care
1710 East Windsor Road Urbana, IL 61802 (217) 344-9440
Christie Clinic Christie Clinic in Danville on Logan Photo Christie Clinic in Danville on Logan
800 North Logan Avenue Danville, IL 61832 (217) 431-8930
Christie Clinic Christie Clinic on Fox Drive Photo Christie Clinic on Fox Drive
2110 Fox Drive, Suite B Champaign, IL 61820
Christie Clinic Christie Clinic in Monticello at Kirby Medical Group Specialty Clinic Photo Christie Clinic in Monticello at Kirby Medical Group Specialty Clinic
1109 B North State Street Monticello, IL 61856 (217) 366-1304
Gibson Area Hospital
1120 N Melvin Gibson City, IL 60936 (217) 784-2240
Christie Clinic Christie Clinic in Mattoon Photo Christie Clinic in Mattoon
105 B Professional Plaza Mattoon, IL 61938 (217) 345-3000
Christie Clinic Sarah Bush Lincoln Health System Photo Sarah Bush Lincoln Health System
1000 Health Center Drive Mattoon, IL 61938 (217) 258-2588
Christie Clinic The Champaign SurgiCenter Photo The Champaign SurgiCenter
1702 S. Mattis Avenue Champaign, IL 61821 (217) 326-2030
Christie Clinic The Carle Foundation Hospital Photo The Carle Foundation Hospital
611 West Park Street Urbana, IL 61801 (217) 383-3311
Iroquois Memorial Hospital
200 E. Fairman Ave. Watseka, IL 60970 (815) 432-5841
Christie Clinic Christie Clinic in Savoy Photo Christie Clinic in Savoy
501 North Dunlap Avenue Savoy, IL 61874 Transformations: (217) 366-7460 Internal Medicine: (217) 366-5434 Ophthalmology: (217) 366-1250
Christie Clinic on West Park Street
1405 West Park Street Urbana, IL 61801 217-366-1237
Christie Clinic in Monticello
107 West Main Street Monticello, IL 61856 217.762.3352
Christie Clinic Christie Clinic in Decatur Photo Christie Clinic in Decatur
100 South Water Street Suite 103 Decatur, IL 62523 217-362-0661- telephone